If you’re like me and an American who hasn’t gone to a SeaWorld since 2002, then you probably haven’t heard of Marineland, which is a controversial amusement park in Niagara Falls, Canada that has been the subject of accusations of unfair animal treatment.

Here we go again: A jaguar that was brought out during an Olympic torch event earlier this week was shot and killed shortly afterward when it escaped its handlers. The local Games organizing committee is now investigating the incident, but animal welfare advocates say the big cat should never have been there in the…

Six months after researchers in China bioengineered monkeys to have autism, a Japanese team of scientists has used the same technology to create monkeys with Parkinson’s. It’s a scientific first, and it could lead to effective treatments—but do the ends justify the means?

The backlash has been vicious since zookeepers killed a gorilla named Harambe in order to protect a boy who fell into its enclosure at the Cincinnati Zoo. Now, police are investigating the parents in a misguided effort to administer blame, but one thing is more clear than ever: Zoos are awful places for animals to…

Most science labs maintain a temperature far below levels preferred by mice, and it’s taking a toll on their health. New research suggests these chilly mice are skewing science results across a wide range of research areas—and the problem is far worse than anyone realized.

Researchers at Johns Hopkins Bloomberg School of Public Health have produced tiny brains made of human neurons and cells. These mini-brains could radically change how drugs are tested, replacing the many animals currently being used for neurological scientific research.

Researchers in China have genetically engineered monkeys to exhibit autistic-like behaviors, including impaired social skills and increased anxiety. This research is poised to improve our understanding of brain disorders, but ethicists say the harm endured by these monkeys is simply not worth it.

Since the 9/11 attacks, researchers in the United States have conducted exceptionally cruel, even superfluous, experiments on animals to develop countermeasures to weapons of mass destruction. But as BuzzFeed reporter Peter Aldhous asks: Is all this suffering really necessary?

A new study shows racehorses have gotten progressively quicker over the past 160 years, and in sprint races, especially. But given the startling number of race-related deaths each year, it’s nothing to be proud of.

The Jane Goodall Institute, in collaboration with other animal welfare groups, has successfully petitioned the U.S. Fish and Wildlife Service to declare a new rule under which all chimpanzees—both wild and captive—must be protected as an endangered species.

Wal-Mart is asking its suppliers of meat, deli, dairy, and egg products to honor a new set of guidelines calling for the humane treatment of livestock and a reduction in the use of antibiotics. Supporters say this could revolutionize animal agriculture — but will Wal-Mart’s suppliers follow through?

For the first time in U.S. history, a supreme court has granted a writ of habeas corpus on behalf of two lab chimpanzees, effectively recognizing them as legal persons. While the future of the chimps has not yet been decided, it’s a huge step forward in establishing personhood status for highly sapient animals.

The costumes are coming off, the shackles are being unlocked, and the boxcars are opening. After more than 130 years, the Ringling Brothers and Barnum & Bailey circus will retire its elephants. It's an important step — but animals need legal rights, and not just laws that treat them like things.

In what's turning into a public relations headache for the solar industry, news has emerged that a recent test of the 110-megawatt Crescent Dunes Solar Energy Project in Nevada resulted in some 130 birds catching fire, when they flew into an area of highly concentrated solar energy.

Tail docking, the practice of removing part of a puppy's tail early in life, has been banned or restricted in many parts of the world, but in the US and parts of Canada, you can still dock your dog's tail for cosmetic reasons. Here's why it doesn't make sense to subject your non-working dog to this traumatic…